# HG changeset patch
# User ijl <ijl@mailbox.org>
# Date 1604675979 0
#      Fri Nov 06 15:19:39 2020 +0000
# Node ID 746cde6d81a48667c8c32a1b0b6a11c13d8c7d2a
# Parent  16f6efcbad0ca2fa368af2785d03e23d93a6a97e
pip install instructions

diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -78,18 +78,15 @@
 To install a wheel from PyPI:
 
 ```sh
+pip install --upgrade "pip>=19.3" # manylinux2014 support
 pip install --upgrade orjson
 ```
 
-To depend on orjson in a project:
-
-```txt
-orjson>=3,<4
-```
+Notice that Linux environments with a `pip` version shipped in 2018 or earlier
+must first upgrade `pip` to support `manylinux2014` wheels.
 
 To build a wheel, see [packaging](https://github.com/ijl/orjson#packaging).
 
-
 ### Quickstart
 
 This is an example of serializing, with options specified, and deserializing: